Abstract: The zoom speed of a zoom function is detected by a zoom lever detection circuit. A sensed image is displayed on a monitor, and a desired partial region in that sensed image is designated using a region designation lever. A compression circuit compresses the designated region and a non-designated region using different characteristics. A region detector controls the designated region on the basis of the detected zoom speed. In another arrangement, enlargement/reduction zoom operation by a zoom function is executed by a zoom lever. A sensed image is displayed on a monitor, and a desired partial region in that sensed image is designated using a region designation lever. A compression circuit compresses the designated region and a non-designated region using different characteristics. A region detector controls the designated region on the basis of the zoom operation.

Abstract: In a camera control system capable of, in a video conference, remote surveillance or the like, issuing an instruction for a camera posture or the like, the user desires, on the moment in a simple way, an image with a small angle of view and a panoramic image are transmitted to a personal computer to be individually displayed. This arrangement constructs a system whereby the user can see not only a detailed image the user desires now but also an image surrounding the detailed image in substantially real time. Further, another arrangement for sensing an image reflected by a convex mirror which is constructed such that a central portion thereof is formed as a low-curvature surface and a peripheral portion thereof is formed as a high-curvature surface enables a panoramic image having a high resolution in a desired portion thereof to be obtained by using only one image sensor.

Abstract: A subject image is formed on a CCD through an imaging optical system including a focusing lens. The output from the CCD is input, through an A/D converter and the like, to an AE processor circuit for performing an auto-exposure control processing and an AF processor circuit for obtaining an evaluation value for auto-focusing through a gate circuit. When a release operation is performed, a CPU drives the focusing lens and operates the AF processor circuit and the like at a high speed frame rate if the CPU determines, on the basis of brightness evaluation values from the AE processor circuit, that the brightness of the subject is equal to or higher than predetermined brightness, and drives the focusing lens and operates the AF processor circuit and the like with high precision at an ordinary frame rate if the CPU determines that the brightness of the subject is lower than the predetermined brightness, thereby performing auto-focusing.

Abstract: An image frame of a long-time exposure video signal from a solid stage imaging device outputting the long-time exposure video signal and a short-time exposure video signal on a time division basis is divided into a plurality of predetermined areas, and a first area in which a luminance level of the long-time exposure video signal becomes minimal is detected from a plurality of areas of the image frame. Different weighting is applied to the long-time exposure video signal of the first area and to the long-time exposure video signal of a second area other than the detected first area among a plurality of areas of the image frame, and an iris of a lens for condensing the light beams is controlled in accordance with the long-time exposure video signal so weighted.

Abstract: An electronic image pick-up apparatus acquires auto-focus data from each of an AF sensor module and an image sensor disposed in conjugate positions in a test mode, stores data on any relative deviation between those items of auto-focus data and drives a photographic lens based on the data of relative deviation of auto-focus in a normal mode.

Abstract: An electronic still camera is provided with a photographic image capturing device that outputs image data by capturing a subject image passing through a taking lens, an analytic image capturing device provided at a position adjacent to the position that is conjugate with the photographic image capturing device relative to the taking lens that receives light forming the subject image and outputs image data for scene analysis, an analyzing circuit that performs scene analysis of the subject image based upon the image data for scene analysis output by the analytic image capturing device and an image processing circuit that performs image processing based upon the results of the scene analysis output by the analyzing circuit.

Abstract: The focusing state determining adapter is detachably mounted between an interchangeable taking lens and a camera body in a camera system. The focusing state determining adapter includes a focus-imaging element and a beam splitter, which divides the subject light entering through the taking lens into light entering the focus-imaging element and light entering the camera body. The focusing state determining adapter determines the focusing state of the taking lens according to an image captured by the focus-imaging element.

Abstract: An electronic still camera, comprises a lens to form an image of a subject; a distant measuring section to measure a distance to a subject and to output a distance signal; an image capturing focusing section having a driving section to shift the lens within a scanning range determined based on the distance signal, an image capturing element to output an image signal of the image of the subject and a detecting section to detect a focusing point of the lens based on the image signal; and a light measuring section to measure a luminance of the subject and to output a luminance signal. The image capturing focusing section changes the scanning range of the lens in accordance with the luminance signal measured by the light measuring section.

Abstract: An electronic image pickup apparatus comprises a photographic optical system; solid state image pickup devices disposed on a plant where a subject image formed by subject beams which have passed through the photographic optical system is formed; a main mirror disposed between the photographic optical system and the solid state image pickup devices, wherein a part of the main mirror is formed of a half mirror to divide the subject beams which have passed through the photographic optical system into an observing beam and a focus detecting beam; a sub-mirror for reflecting the subject beam which has passed through the part of the main mirror; a focus detecting optical system for forming an image of the subject beam reflected by the sub-mirror on a partial area of the solid image pickup devices; and an electrical circuit for outputting focus detecting information based on image signals of the partial areas of the solid image pickup devices.

Abstract: An automatic focus adjusting device in which a distance measuring area is set from a plurality of distance measuring areas including a first distance measuring area and a second distance measuring area which differs in size from the first distance measuring area. A state of focus is discriminated in a distance measuring area before a focus adjusting operation is started by driving an optical element for focus adjustment when the optical element is in an in-focus state, and on the basis of the discrimination, a distance measuring area to be used after the focus adjusting operation is started is selected from the first distance area and the second distance area.

Abstract: An object of this invention is to provide a solid-state image sensing apparatus capable of performing high-precision AF and AE without adding any camera mechanism or increasing power consumption. To achieve this object, at least S1 and S2 among photoelectric conversion cells output signals not for forming an image signal in a solid-state image sensing apparatus in which photoelectric conversion cells for converting an optical image formed by an optical system into an electrical signal are two-dimensionally laid out.

Abstract: This invention provides an inexpensive image pick-up device which can enhance the focus detecting precision and reduce the time lag due to focus adjustment without using an exclusive-use AF sensor different from an image pick-up element. In the image pick-up device of this invention, a light beam which has passed through a photographing lens is electronically image-picked up in an image pick-up area of the image pick-up element. A light beam which is at least part of a light beam of a subject having passed through the photographing lens is guided to a focus detecting optical system by an optical member and focused to re-form an image on a focus detecting area of the image pick-up element. The image pick-up element has microlenses arranged only on the front surface of the image pick-up area. A color filter member is arranged on the front surface of a light receiving section of the image pick-up area.

Abstract: A digital still camera includes a pickup lens, which focuses object light on a focal plane. An externally operable focus adjusting ring adjusts focusing of the pickup lens. A CCD image sensor is disposed on the focal plane, for receiving the object light to produce image data. A liquid crystal display (LCD) panel displays an image according to the image data. An EEPROM stores information of an area split pattern having 36 partial areas in which the LCD panel is split. A CPU displays a focus adjusting state of the 36 partial areas distinctly during adjustment of the focus adjusting ring. CPU compares a focus evaluation value fna with a preceding evaluation value fnb, and extracts at least one of the 36 partial areas where the focus adjusting state is in-focus according to a result of comparison.

Abstract: It is an object of this invention to realize stable autofocus operation by reducing the influence of an object which is different from a main object and exists on the periphery of a distance measurement frame on the autofocus operation. In order to achieve this object, an image sensing apparatus includes an image sensing device which generates an image sensing signal by photoelectrically converting light from an object, an extraction unit which extracts a predetermined frequency component from a signal component corresponding to a focus detection area in a frame sensed by the image sensing device, a weighting circuit which weights the predetermined frequency component extracted by the extraction unit, and a driving unit which moves a focusing lens to an in-focus position on the basis of the signal weighted by the weighting circuit.

Abstract: A solid-state image sensor includes a photocell array for accumulating signal charge for each pixel in accordance with progress of exposure, and a read circuit for reading out information on the accumulated signal charge from the photocell array. With an insulating structure between its input and output, an amplifier in the read circuit generates an output signal without resetting the accumulated charge in the photocell. Information on the accumulated charge is read out at different exposure times while signal charge is accumulated during exposure, and a plurality of image signals can sequentially be obtained without destroying the information.

Abstract: An image sensing unit with an improved structure and a digital camera adopting the same are provided. The image sensing unit for a digital camera includes a light-receiving surface having a plurality of pixel sensors arranged regularly on a two-dimensional region of a predetermined size, a scanning electronic circuit that outputs light incident onto the pixel sensors as an electric image signal that has undergone photoelectric conversion, and a color filter mosaic separated at a predetermined distance from the light-receiving surface in the light incidence direction. Here, the light-receiving surface is divided into a chromatic sensing element for receiving chromatic light entering through the color filter mosaic and the achromatic sensing element for receiving directly incident achromatic light that has not passed through the color filter mosaic. The digital camera adopting the image sensing unit can achieve smooth automatic focusing in a low brightness environment.

Abstract: A method, system and computer readable medium for an automatic focusing device including an optical system including receiving a light flux from an object to be photographed, the received light flux being passed through an optical system having a focusing lens system to form an image of the object and converting the received light flux into an output image signal; converting the image signal to output digital image data; outputting luminance data according to the digital image data as an automatic exposure (AE) evaluation value; setting at least an area of an imaging screen of an imaging device as an automatic focusing (AF) area; determining if the AE evaluation value is smaller than a predetermined value and setting an enlarged AF area as the AF area when the AE evaluation value is smaller than the predetermined value; integrating high frequency components of luminance data of image data in the AF area and outputting resulting data as an AF evaluation value; sampling AF evaluation values while moving the foc

Abstract: An automatically focusing system comprises a distance-direction calculating section for calculating defocusing characteristic information of the picture image data in the respective AF areas of the black and white image sensors, which have been disposed in such that light receiving distances differ from one another in every respective colors to estimate a distance up to a focusing point as well as a direction along the same on the basis of the defocusing characteristic information of the respective colors, and a driving device for focal point adjustment for judging whether or not a situation is in a focusing condition based on the distance up to the focusing point and shifting the focus lens by the distance up to the focusing point along the direction in the focusing point estimated in the case when it was judged that a situation was not in a focusing condition, whereby a high-speed focusing operation can be achieved with a simple structure.

Abstract: An electronic still camera includes an opto-electric transducer arrangement having a matrix of optical-to-electric converter elements for outputting parallel electrical signals providing a first electronic representation of an optical image received thereon from a lens, an electro-optical transducer arrangement (view screen) having a matrix of electrical-to-optical converter elements for converting a second electronic representation of an Image to an optical image, and a window-selecting unit for selecting a size and location of the second electronic representation within the first electronic representation,

Abstract: A method and apparatus for generating a video signal representing an image of a scene, by: providing a photodetector having a light sensitive surface with a given area; providing a first focusing lens; positioning the first lens to focus an image of a scene on the photodetector so that only a portion of the image is focused on the light sensitive surface; and effecting relative displacement between the first lens and the photodetector parallel to the light sensitive surface in order to change the portion of the image that is focused on the light sensitive surface.

Abstract: In an image sensing system where a camera apparatus and a client device are connected for controlling the camera apparatus by the client device, the client device displays and arbitrarily shifts a predetermined size of detection area in an object image sensed by the camera apparatus, enabling to quickly perform camera parameter control, such as focus adjustment or the like, based on image signals of the detection area, with a small amount of transferring data. Moreover, detection areas of a sensed image are synthesized by controlling camera parameters for each of the detection areas so as to optimize camera parameters for all of the areas in the object image.

Abstract: In a camera including a light measuring device having a plurality of light measuring areas into which a light measuring field is divided, and a focus detecting device having a plurality of focus detecting areas which are set at a plurality of places including a place on a boundary between the plurality of light measuring areas, the focus detecting device is arranged to select a particular focus detecting area from among the plurality of focus detecting areas, and a deciding circuit decides a light measuring area which is to be subjected to a specific weighting, from among the plurality off light measuring areas by using a focus detecting state of each of the particular focus detecting area and focus detecting areas adjacent thereto if the particular focus detecting area lies on the boundary between the plurality of light measuring areas.

Abstract: A focus condition sensing device comprises a first imaging device unit and a second imaging device unit, which are mounted in parallel on a single IC chip board. Integrating operation start signals are set to “H” (High), so that an integrating (accumulating) operation is started in each of the imaging device units. Chip enabling signals are changed between “H” and “L”, and thus, it is determined whether the integrating operation has been completed in the first or second imaging device. When one of outputs of the first and second imaging devices exceeds an AGC level, it is deemed that the integrating operation of the corresponding imaging device is completed, and thus, electric charges are output from the imaging device.

Abstract: Based on a video signal from a CCD (3), an exposure evaluation value producing circuit (8) produces an exposure evaluation value for automatic exposure, a focus evaluation value producing circuit (9) produces a focus evaluation value for autofocus, a prescribed value is set as a threshold value if the aperture area of an iris detected by a diaphragm amount detecting circuit (11) is equal to or higher than a prescribed value, and a threshold value is set according to the aperture area of the iris if the area is equal to or smaller than the prescribed value. If a luminance signal is larger than the reference value, integration of the high frequency component of a region having a luminance level equal to or higher than the threshold value is excluded.

Abstract: A solid state image pickup device is provided which can reduce crosstalks between range finding photoelectric conversion elements (AF sensor) and photometry photoelectric conversion elements (AE sensor). The solid state image pickup device has an n-type epitaxial semiconductor region, a p-type first well region formed in the semiconductor region, a p-type second well region formed in the semiconductor region and electrically separated from the first well, an n-type first impurity doped region formed in the first well region and an n-type second impurity doped region formed in the second well, wherein a photometry photoelectric conversion element is formed by using the p-type first well region and n-type first impurity doped region, and a range finding photoelectric element is formed by using the p-type second well region and n-type impurity doped region.

Abstract: An image capturing apparatus for accurately determining a position of a main subject on an image. The image capturing apparatus for capturing a subject includes an image pick-up unit for capturing a preliminary image and a final image; a main subject recognition unit for recognizing a main subject from the subject on the preliminary image; and a main subject position determination unit for determining a position of the main subject on the final image.

Abstract: Correlation value calculation is carried out while a pair of window ranges being shifted using uncorrected AF data, and a pair of window ranges providing the highest correlation value is determined. Then, the difference between the smallest values in the respective window ranges is evaluated. If it is determined that the distance is large, the AF data is corrected so that the smallest values in the respective window ranges are consistent with each other, and the corrected AF data is used to carry out correlation value recalculation. Then, if the highest correlation value after correction is smaller than the highest correlation value before correction, the result of correlation value calculation after correction is employed.

Abstract: A focus state detection apparatus for detecting focus state on the basis of signals outputted from a pair of area sensors each of which is configured in two dimension in accordance with an image of an object passing through an optical system and formed on the pair of area sensors. Each of the pair of area sensors is divided into a plurality of areas each of which can be controlled independently, and charging pixels of the area sensors is controlled by each pair of corresponding divided areas of the area sensors.

Abstract: An object of the present invention is to obtain an image capturing apparatus having a function capable of setting a focus position in a subject not only in a position in the center of a frame, with improved operability on confirmation of a focus state after an AF area is moved. In a digital camera as an example of the image capturing apparatus, an AF cursor CR on a display screen moves horizontally/vertically to change the focus point by an operation input of a four-way switch by the user. Interlockingly with the movement of the AF cursor CR, a live view AF process is executed with respect to the changed focus point. An image on the screen of the display is updated after the live view AF process, thereby displaying an image of the subject focused in the position of the designated AF cursor CR on the screen of the display.

Abstract: There are provided an image memory which stores one image of a subject, an image fetch section which takes in an image from the image memory to another memory or register in a predetermined unit, a control section which takes charge of the overall control, a face characteristic storage section which stores a plurality of characteristics of a face, a recognition and judgment section which recognizes a face from the data from the image fetch section and the data from the face characteristic storage section and judges each portion, an edge detector which detects an edge detection value from the result data thereof, and an output section which outputs the final judgment result to the outside.

Abstract: An automatic focusing device capable of preventing the subject to be brought into focus from falling outside the AF block due to a light image shift, comprising: an automatic focusing controller for calculating an optical physical quantity within an automatic focusing block as which an area in image data is specified, and determining the degree of focus of the image data; and a light image shift occurrence determiner for predicting or detecting the occurrence of a light image shift, wherein the automatic focusing controller changes the size of the automatic focusing block when the light image shift occurrence determiner predicts or detects the occurrence of a light image shift.

Abstract: An apparatus for automatic focusing evaluating the significance for realizing in-focus state from the image component of each focus evaluation area, improving the precision of automatic focusing control by performing the calculation by use of a larger number of pixels for an area with a higher significance, and enabling a prompt automatic focusing control, is provided with: area image extractor for extracting an area image from each of a plurality of areas set in the image; area identifier for identifying, from among the plural areas, a high-precision evaluation target area based on an image characteristic of each of the image areas obtained from the plural areas; evaluation value calculator for obtaining, for the high-precision evaluation target area among the plural areas, an evaluation value associated with focus state of the taking lens by use of a larger number of pixels than for the other areas; and controller for driving the taking lens to an in-focus position based on the evaluation value.

Abstract: This invention provides an image sensing apparatus and method, which can independently calculate and display the histograms of the entire range and selected range of image data sensed by an image sensing element.

Abstract: An automatic focusing device capable of focus detection so that the in-focus state can be adequately realized, even if the magnification changes or a camera shake occurs. The sum total of the absolute values of the differences between two pixels in an evaluation area is calculated, the sum total of the square values of the differences between the two pixels in the evaluation area is calculated, and the evaluation value is obtained based on the sum total of the absolute values of the differences and the sum total of the square values of the differences to obtain the in-focus position of the taking lens.

Abstract: A video camera includes a viewpoint detector for detecting the viewpoint of an operator in a photographing screen, a frame setting circuit for independently setting AF and AE frames to have the viewpoint position in the screen detected by the viewpoint detector as the central position, a focus detection circuit for performing focus detection on the basis of an image signal component corresponding to a portion within the AF frame set by the frame setting circuit, a photometry circuit for performing a photometry operation in accordance with an image signal component corresponding to a portion within the AE frame, and a control circuit for controlling the AF and AE frames so that they do not fall outside the screen.

Abstract: In the invention, devices and a method are described by means of which it is possible to focus a camera (11) placed in a terminal (10), particularly in an image phone using radio communication, at a user of the terminal (10). The focusing of the camera (11) is implemented, e.g., by means of pattern recognition (61), whereupon the terminal (10), according to the invention, searches for the figure of an upper body (18) of the user of the terminal in the image field recorded by it. When this is located, a sub-section (62) of the section the camera (11) has stored in an image memory (64) is selected, the sub-section containing essentially the upper body of the user of the terminal. Alternatively, the camera (11) is focused, e.g., by means of electric motors, at the user or the user himself is asked to turn the terminal (10) in the required direction, e.g., with the help of indication characters transmitted on to the display of the terminal (10).

Abstract: An image pick-up device capable of moving a detection region set on a picked-up picture by following the movement of an object image, wherein it is constructed to control a setting position of said detection region by detecting an object position on the picked-up picture, and further to control the moving range, response speed and size of said detection region, depending on the depth of field.

Abstract: An auto-focusing device and an electronic image pickup apparatus facilitates realizing a high focusing accuracy and a quick focusing operation simultaneously using an inexpensive plastic lens mount. The auto-focusing device according includes a means for correcting the conversion reference, if necessary, for converting the object distance measured by the open-control range finding means to a focusing position of the focusing lens based on the conversion reference and for moving the focusing lens to the converted focusing position. The electronic image pickup apparatus includes the auto-focusing device.

Abstract: A camera includes a focus-detection module 130 inserted into or withdrawn from an optical path between an image-sensing optical system (152-155) and a CCD image-sensing device (111). An image pick-up signal from the CCD image sensing device (111) is used as ordinary image data for recording when the module (130) is withdrawn from the optical path and as image data for rangefinding when the module (130) is inserted into the optical path. The focus-detection module (130) is internally provided with first through fourth mirrors (131, 132, 133, 134), a field lens (135) provided between the second and third mirrors and secondary image forming lenses (137) provided between the third and fourth mirrors, whereby two secondary images are formed on the CCD image sensing device (111). The two secondary images are used for rangefinding or focusing.

Abstract: A photographing optical system photographs an object as an image. A data processing section converts an optical image of the object photographed by the photographing optical system into digital image data, and records the converted image data. A display section displayed the image data converted by the data processing section. A distance measuring section measures a distance to the object at a predetermined distance measurement point. An external operating member is capable of externally operating a state of the electronic photographing apparatus. A specification section specifies at least one point of the image displayed at the display section. A control section changes the predetermined distance measurement point caused by the distance measuring section based on information specified by the specification section and an operation caused by the external operating member.

Abstract: In a fine photo mode, a camera photographs a series of frames from the same scene upon one depression of a release button, and records data of correlation between the frames of the same scene in association with the series of frames. When a printer reads the correlation data, the printer composes a high definition image from image data of the series of frames, and make a print of the high definition image. A literal photo mode may be selected for a scene containing a literal image. The camera records data representative of the literal photo mode in association with the frame taken in the literal photo mode, so the printer processes image data to improve sharpness and resolution of the literal image of the frame, and makes a hard copy of the literal image from the processed image data.

Abstract: An image photographing apparatus for photographing a still image includes a scanning imaging device for generating image signals and a control unit for using the image signals generated by the imaging device to adjust the still image before photographing. The control unit defines a detection area on the imaging device, and reads only the image signals within the detection area out of the imaging device, so that the time required for the adjustment is reduced to attain more accurate adjustment.

Abstract: Disclosed is a camera having a focus detection module 130 inserted into or withdrawn from an optical path between an image sensing optical system (152-155) and a CCD image sensing device (111). An image pick-up signal from the CCD image sensing device (111) is used as ordinary image data for recording when the module (130) is withdrawn from the optical path and as image data for rangefinding when the module (130) is inserted into the optical path. The focus detection module (130) is internally provided with first through fourth mirrors (131, 132, 133, 134), a field lens (135) provided between the second and third mirrors and secondary image forming lenses (137) provided between the third and fourth mirrors, whereby two secondary images are formed on the CCD image sensing device (111). The two secondary images are used for rangefinding or focusing.

Abstract: An image pickup apparatus includes: a plurality of line sensor groups, each line sensor group including a plurality of line sensors, each line sensor including a plurality of photoelectric conversion elements; and a circuit for performing storage control associated with said photoelectric conversion elements, said storage control being performed separately for each line sensor group using a storage control level that is adjusted separately for each line sensor group, thereby performing AGC control associated with the photoelectric conversion elements.

Abstract: A still camera utilizes a focus evaluation value based on an imaging video signal to execute an autofocus operation by a hill-climbing control method. A CPU divides a focus area into a plurality of regions to obtain a focus evaluation value from a digital integrator for each of the regions. When the autofocus operation is restarted from the state of a monitoring mode in accordance with a variation of the focus evaluation value, the CPU detects a further hill of the focus evaluation value while forcibly moving a focus lens position always toward a near side, and when a maximal value of the once detected focus evaluation value is less than a certain standard value, additionally executes the autofocus operation.

Abstract: An electronic still camera, comprises a lens to form an image of a subject; a distant measuring section to measure a distance to a subject and to upuput a distance signal; an image capturing focusing section having a driving section to shift the lens within a scanning range determined based on the distance signal, an image capturing element to output an image signal of the image of the subject and a detecting section to detect a focusing point of the lens based on the image signal; and a light measuring section to measure a luminance of the subject and to output a luminance signal. The image capturing focusing section changes the scanning range of the lens in accordance with the luminance signal measured by the light measuring section.

Abstract: In an image pickup apparatus for capturing a video signal from a predetermined range in an image pickup screen and performing an AF operation based on the signal, a setting position of the range is made variable in the image pickup screen, the range is arranged to be moved to a viewpoint position detected by a viewpoint detecting device, and the AF operation is inhibited for a predetermined time if the setting position of the range is changed. The AF operation is also inhibited if the position to which the range is moved is in a low-contrast state or if the position is for example a display position where characters are displayed.

Abstract: Disclosed is a digital still camera in which focusing can be checked easily even if a display device constituting the viewfinder is comparatively small. When a shutter-release button is pressed half-way, focusing is performed and the image in a focusing zone is made larger than the part of an angle-of-view confirmation image that corresponds to the focusing zone. An in-focus confirmation image of the enlarged focusing zone is displayed on the display screen of the viewfinder. When focusing is performed, the in-focus confirmation image is enlarged in comparison with the corresponding area of the angle-of-view confirmation image. This makes it easier to determine whether an image is in focus or not.

Abstract: An image pickup apparatus is arranged to vary the size of a focus detecting area and/or a light measuring area when the aspect ratio of an image plane is changed, so as to optimize the focus detecting area and/or the light measuring area with respect to the image plane.

Abstract: A video camera includes a gate circuit for extracting a sharpness signal relative to an area which is set in a portion of a picture, a focus adjusting device for performing focus adjustment on the basis of the sharpness signal relative to the area, and an area selecting circuit for controlling the gate circuit to vary the area in size and determining a size of the area during a driving of a variator lens in accordance with a size of the area and a focal length used before the driving of the variator lens.